Update gdb to 7.11. am: c7b00463e2 am: 87693563e6
am: 96e6342587

* commit '96e6342587dcc402ae4c383d778904d30bade14d':
  Update gdb to 7.11.

Change-Id: Ie8f436af42be7aadfcc599fa67ab374f6734468b